[ 
https://issues.apache.org/jira/browse/HIVE-18994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16416354#comment-16416354
 ] 

Hive QA commented on HIVE-18994:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12916293/HIVE-18994.3.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 166 failed/errored test(s), 13817 tests 
executed
*Failed tests:*
{noformat}
TestMinimrCliDriver - did not produce a TEST-*.xml file (likely timed out) 
(batchId=92)
        
[infer_bucket_sort_num_buckets.q,infer_bucket_sort_reducers_power_two.q,parallel_orderby.q,bucket_num_reducers_acid.q,infer_bucket_sort_map_operators.q,infer_bucket_sort_merge.q,root_dir_external_table.q,infer_bucket_sort_dyn_part.q,udf_using.q,bucket_num_reducers_acid2.q]
org.apache.hadoop.hive.cli.TestCliDriver.org.apache.hadoop.hive.cli.TestCliDriver
 (batchId=84)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[acid_table_stats] 
(batchId=54)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[auto_sortmerge_join_2] 
(batchId=49)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[llap_smb] 
(batchId=152)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[bucket_map_join_tez1]
 (batchId=173)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[bucket_map_join_tez_empty]
 (batchId=158)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[groupby_groupingset_bug]
 (batchId=172)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[insert_values_orig_table_use_metadata]
 (batchId=168)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[mergejoin] 
(batchId=167)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[sysdb] 
(batchId=161)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[tez_smb_main]
 (batchId=159)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[update_access_time_non_current_db]
 (batchId=170)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vectorization_div0]
 (batchId=169)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vectorized_dynamic_semijoin_reduction]
 (batchId=153)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_5] 
(batchId=104)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.org.apache.hadoop.hive.cli.TestNegativeCliDriver
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.org.apache.hadoop.hive.cli.TestNegativeCliDriver
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[alter_notnull_constraint_violation]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[constraint_partition_columns]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[insert_into_acid_notnull]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[insert_into_notnull_constraint]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[insert_multi_into_notnull]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[insert_overwrite_notnull_constraint]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[mm_convert] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[mm_truncate_cols]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[show_tables_bad1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[show_tables_bad_db1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[smb_bucketmapjoin]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[smb_mapjoin_14] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[sortmerge_mapjoin_mismatch_1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[special_character_in_tabnames_1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[split_sample_wrong_format]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[stats_aggregator_error_1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[stats_aggregator_error_2]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[stats_publisher_error_1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[stats_publisher_error_2]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[strict_join_2] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[strict_orderby] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[strict_orderby_2]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[strict_pruning_2]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[subquery_corr_grandparent]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[subquery_corr_in_agg]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[subquery_in_groupby]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[subquery_in_implicit_gby]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[subquery_multiple_cols_in_select]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[subquery_notin_implicit_gby]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[subquery_scalar_corr_multi_rows]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[subquery_scalar_multi_rows]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[subquery_select_distinct]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[subquery_subquery_chain]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[subquery_subquery_chain_exists]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[touch2] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[truncate_bucketed_column]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[truncate_column_list_bucketing]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[truncate_column_seqfile]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[truncate_nonexistant_column]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[truncate_partition_column2]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[truncate_partition_column]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[truncate_table_failure3]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[truncate_table_failure4]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[truncate_table_failure5]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[truncate_table_failure6]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udaf_invalid_place]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_add_months_error_1]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_add_months_error_2]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_array_contains_wrong1]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_assert_true2]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_assert_true] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_coalesce] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_concat_ws_wrong1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_concat_ws_wrong2]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_concat_ws_wrong3]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_elt_wrong_args_len]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_elt_wrong_type]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_field_wrong_args_len]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_field_wrong_type]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_format_number_wrong1]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_format_number_wrong2]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_format_number_wrong3]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_format_number_wrong4]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_format_number_wrong5]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_format_number_wrong7]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_greatest_error_1]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_greatest_error_2]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_if_not_bool] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_if_wrong_args_len]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_in] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_in_2] 
(batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_instr_wrong_args_len]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_instr_wrong_type]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_invalid] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_last_day_error_1]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_last_day_error_2]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_likeall_wrong1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_likeany_wrong1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_locate_wrong_args_len]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_locate_wrong_type]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_map_keys_arg_num]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_map_keys_arg_type]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_map_values_arg_num]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_map_values_arg_type]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_max] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_min] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_next_day_error_1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_next_day_error_2]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_nonexistent_resource]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_printf_wrong1]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_printf_wrong2]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_printf_wrong3]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_printf_wrong4]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_qualified_name]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_reflect_neg] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_size_wrong_args_len]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_sort_array_by_wrong1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_sort_array_by_wrong2]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_sort_array_by_wrong3]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_sort_array_wrong1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_sort_array_wrong2]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_sort_array_wrong3]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_test_error] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_test_error_reduce]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_trunc_error1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_trunc_error2]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_trunc_error3]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udf_when_type_wrong]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udtf_explode_not_supported1]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udtf_explode_not_supported2]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udtf_explode_not_supported3]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udtf_explode_not_supported4]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udtf_invalid_place]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udtf_not_supported1]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[udtf_not_supported3]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[union22] 
(batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[union2] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[unionClusterBy] 
(batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[unionDistributeBy]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[unionLimit] 
(batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[unionOrderBy] 
(batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[unionSortBy] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[uniquejoin2] 
(batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[uniquejoin3] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[uniquejoin] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[unset_table_property]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[unset_view_property]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[updateBasicStats]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[update_bucket_col]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[update_no_such_table]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[update_non_acid_table]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[update_not_acid] 
(batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[update_notnull_constraint]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[update_partition_col]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[view_update] 
(batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[windowing_after_orderby]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[windowing_invalid_udaf]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[windowing_leadlag_in_udaf]
 (batchId=95)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[windowing_ll_no_neg]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[windowing_ll_no_over]
 (batchId=94)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[subquery_scalar] 
(batchId=124)
org.apache.hadoop.hive.metastore.TestMetastoreVersion.testMetastoreVersion 
(batchId=225)
org.apache.hadoop.hive.metastore.TestMetastoreVersion.testVersionMatching 
(batchId=225)
org.apache.hadoop.hive.metastore.client.TestAppendPartitions.testAppendPartitionNullPartValues[Embedded]
 (batchId=207)
org.apache.hadoop.hive.metastore.client.TestAppendPartitions.testAppendPartitionNullPartValues[Remote]
 (batchId=207)
org.apache.hadoop.hive.ql.TestAcidOnTez.testGetSplitsLocks (batchId=226)
org.apache.hadoop.hive.ql.TestMTQueries.testMTQueries1 (batchId=229)
org.apache.hive.jdbc.TestJdbcWithMiniLlap.testLlapInputFormatEndToEnd 
(batchId=237)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/9874/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/9874/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-9874/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 166 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12916293 - PreCommit-HIVE-Build

> Handle client connections on failover
> -------------------------------------
>
>                 Key: HIVE-18994
>                 URL: https://issues.apache.org/jira/browse/HIVE-18994
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2
>    Affects Versions: 3.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Major
>         Attachments: HIVE-18994.1.patch, HIVE-18994.2.patch, 
> HIVE-18994.3.patch
>
>
> When leader failover happens (either automatically or manually), tez sessions 
> are closed. But client connections are not. We need to close the client 
> connections explicitly so that workload manager revokes all the guaranteed 
> slots and upon reconnection client will connect to active HS2 instance (this 
> is to avoid clients reusing the same connection and submitting queries to 
> passive HS2). In future, some timeout or other policies (may be WM will run 
> everything speculatively) can be added.



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